Environmental friendly as this embedded, quiet, fanless appliance consumes only ~10Watt in typical operating conditions.
The SSD versions of OPNsense are fitted with a solid state drive and do support disk writes.
Details
Open source for your business!
Your next open source appliance has been tested to meet the high standards defined by our customers.
The open source, turn-key solution that is ready for your business!
Take a look for yourself and be amazed!
OPNsense, truly turn-key solution.
OPNsense® is a free, open source customized distribution of FreeBSD 11.1 tailored for use as a firewall and router. It includes a long list of features including high-end features not found in pfSense such as inline Intrusion Prevention. The robust firmware upgrade mechanism assures fast and reliable upgrades and allows for fast reaction on emerging threats.
Fully Supported
OPNsense® is fully supported by Deciso, see our commercial offerings here Support Offerings.
Community support is available from:- The documentation & wiki
- Online OPNsense Forum
- Web Chat #OPNsense @FreeNode
Versions
Currently all OPNsense appliances are installed with OPNsense 18.1 Release.
Features
OPNsense® includes most of the features available in expensive next generation commercial firewalls, including high-end features not found in pfSense such as inline Intrusion Prevention. Download the brochure for the full and detailed feature overview. Below is a short list of features of the currently installed OPNsense® release. All of these things are possible in the web interface, without touching anything at the command line.
- Comprehensive Documentation & Inline Help
- Traffic Shaper
- Captive Portal
- Caching Proxy
- Virtual Private Network
- High Availability & Hardware Failover
- Intrusion Detection and Inline Prevention
- Build-in reporting and monitoring tools
- Plugins support
- DNS Server & DNS Forwarder
- DHCP Server and Relay
- Dynamic DNS
- Backup & Restore
- Stateful inspection firewall
- Granular control over state table
- 802.1Q VLAN support
- and more..
Screenshot(s)

Dashboard

System Health

Firmware
Additional Information
Name | OPNsense Ghz small |
---|---|
SKU | SML20083D |
Weight [Kg] | 1.0000 |
Country of Origin | The Netherlands |
HS-Code | 8517.6249 |
Enclosure | Desktop |
Dimensions [W x H x D] | 168mm x 30mm x 157mm |
Firmware | OPNsense® |
CPU | AMD T40E APU 1Ghz Dual Core |
Memory | 2GB |
Storage | 16Gb Secure Digital |
Ethernet ports | 3x GbE [Realtek RTL8111] |
Remote Management port | No |
Total Firewall Throughput | ~500Mbps |
Maximum packets per second | ~40.000 PPS |
Maximum Port to Port Throughput | ~450Mbps |
Maximum VPN Throughput | IPsec: ~30Mbps (AES256) OpenVPN ~80Mbps (AES256) |
Maximum Statetable | 3.000.000 |
Maximum Concurrent Sessions | 1.500.000 |
Maximum VLANS | 4093 [above 50: GUI restrictions may apply] |
Power Supply | External / DC socket |
Regulatory Compliance | FCC part 15 Class A, CE, Rohs |
Storage & Operating conditions | Operating: 0 to +45°C / 10 to 90% r. H. non cond., Storage: -20 to +70°C / 5 to 95% r. H. non cond. |
Package Content | Desktop appliance, Powersupply, Configuration cable, Quickstart guide, DVD with firmware & tools |